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Andrew [12]
3 years ago
11

12

Mathematics
1 answer:
hoa [83]3 years ago
8 0

Answer:

\dfrac{x}{2}=25.5

Step-by-step explanation:

Let the number be x.

Peter halves the number and gets an answer of 25.5.

It means,

Half of x equals 25.5. So,

\dfrac{1}{2}x=25.5

or

\dfrac{x}{2}=25.5

Hence, the required equation is \dfrac{x}{2}=25.5.

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It would help the rabbit by blending in with the environment and avoiding predators.

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gcd(18, 54) = 18

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ANSWER FOR BRAINLIEST!!!
Maru [420]

If you know that -2 is a zero of f(x) = x^3 + 7x^2 + 4x - 12, explain how to solve the equation.

First you have to figure out what could make f(x) = 0 to get rid of the cube. I'm going to test the array of data, x = -2, x = -3, and x = -4 because this type of equation probably has more negative values given that if you plug in some values the cubed-values and squared-values will surpass the "-12". Plug this into a calculator.
x^3 + 7x^2 + 4x - 12
f(-2) = -8 + 28 - 8 - 12 = 0

So you know that when x = -2, f(x) = 0. Divide "(x + 2)" from the equation and you will get... x^2 + 5x - 6. Now this is a simple polynomial one that you can figure to be (x + 6) (x - 1) just by looking at it because -6 multiplied by 1 is negative 6 and you see 5 and know that 6 - 1 = 5.

The solution is (x + 6) (x - 1) (x + 2) meaning that when x = -6, 1, or -2, f(x) is 0.

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What is m<DBA=m<3+m<2
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Measurement DBA must equal less than the sum of measurements 3 and 2
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